- Durable and Heat Resistant: Crafted from high-quality silicone, these tapered stoppers offer exceptional flexibility and high hardness. They are designed to withstand extreme temperatures ranging from 200°C to 300°C, making them ideal for various applications without the risk of breakage or deformation. - Versatile Sizes and Colors: This set includes 60 silicone stoppers in 8 different sizes and colors, ensuring you have the perfect option for your needs. Suitable for both threaded and non-threaded containers, these stoppers fit inner diameters (ID) from 1/16" to 5/8". The variety allows for easy matching to your specific containers. - Reliable Sealing: Engineered with smooth surfaces, these silicone stoppers provide excellent insulation and sealing capabilities. They effectively prevent leaks of liquids, powders, and gases, ensuring the contents of your containers remain protected from air and external contaminants. - User-Friendly Design: The tapered shape allows for effortless insertion and removal, making these stoppers easy to use. Their flexibility and elasticity ensure a snug fit that can be easily adjusted as needed. Additionally, they are easy to clean and can be reused multiple times without staining. - Practical Applications: These silicone stoppers are perfect for home brewers needing to seal fermentation vessels, laboratory settings requiring airtight seals for experiments, or even kitchen use for preserving opened bottles and jars. Their versatility makes them an essential addition to any workspace or home. - High-Quality Material: Made from robust silicone, these stoppers resist wear and tear, offering long-lasting performance. Their dense structure enhances durability, ensuring they stand up to repeated use in various environments. Each feature of these silicone stoppers is designed to provide practical solutions for everyday challenges, making them an essential tool for both personal and professional use.